Uncertainty Evaluation for Measurements of 30 Pesticide Residues in <i>Brassica oleracea</i> by a QuEChERS-Gas Chromatography-Tandem Mass Spectrometry Method

TANG Yifei; TU Yuchen; HUANG Fang; CHEN Xinwei; ZHANG Guoping

doi:10.12338/j.issn.2096-9015.2020.0395

Volume 66 Issue 2

Feb. 2022

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TANG Yifei, TU Yuchen, HUANG Fang, CHEN Xinwei, ZHANG Guoping. Uncertainty Evaluation for Measurements of 30 Pesticide Residues in Brassica oleracea by a QuEChERS-Gas Chromatography-Tandem Mass Spectrometry Method[J]. Metrology Science and Technology, 2022, 66(2): 25-32. doi: 10.12338/j.issn.2096-9015.2020.0395

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TANG Yifei, TU Yuchen, HUANG Fang, CHEN Xinwei, ZHANG Guoping. Uncertainty Evaluation for Measurements of 30 Pesticide Residues in Brassica oleracea by a QuEChERS-Gas Chromatography-Tandem Mass Spectrometry Method[J]. Metrology Science and Technology, 2022, 66(2): 25-32. doi: 10.12338/j.issn.2096-9015.2020.0395

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Uncertainty Evaluation for Measurements of 30 Pesticide Residues in Brassica oleracea by a QuEChERS-Gas Chromatography-Tandem Mass Spectrometry Method

doi: 10.12338/j.issn.2096-9015.2020.0395

Jiaxing Inspection and Testing of Agriculture Center, Jiaxing 314050, China

Available Online: 2021-12-14
Publish Date: 2022-02-18

Abstract

Abstract

A QuEChERS sample pretreatment method coupled with gas chromatography-tandem mass spectrometry was established to determine 30 pesticide residues in Brassica oleracea. The results show a good linear relationship for the 30 pesticides in the concentration ranges of 50～250 μg/L, with correlation coefficients between 0.9966 and 0.9994. The average recoveries of this method were in the range of 77.46%～114.92% with the expanded uncertainty between ±0.0098 and ±0.0606. It provides a theoretical basis for determining the results near the critical point of the maximum residue in B. oleracea.
- QuEChERS,
- gas chromatography-tandem mass spectrometry,
- Brassica oleracea,
- pesticide residue,
- uncertainty evaluation

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References(18)

References

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